After releasing the Android 11-based One UI 3.0/One UI 3.1 update for several Galaxy smartphones, the company is now rolling out the stable Android 11-based One UI 3.1 update to the Galaxy A70 users. The latest major OS update is currently rolling out in Ukraine and will soon be available to other regions.
Alongside the new Android 11 features, it comes with the March 2021 security patch, which fixed the security issue with the Exynos 990 chipset.
The software version of this update is A705FNXXU5DUC6 and the size is more than 1900MB.
If you want to check for the update manully, you can do this by head into the device Settings, go to Software update menu, and tapping Download and install.